Ventilation device
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Solution Overview
Problem
Existing motor vehicle air-conditioning systems require significant installation space and effort due to separate ionizer assemblies, which increase costs and flow resistance.
Innovation Solution
Integrating individual ionizer components into existing ventilation device components, such as air treatment devices, with a counter-electrode electrically connected to these devices, reducing installation space and costs while enhancing efficiency by utilizing existing components like filters or heat exchangers as counter-electrodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate ionizer assembly is installed in the air-conditioning system, then ionization function is achieved, but installation space and installation effort increase
Solution Approach 1:
The patent merges the ionizer with the existing air treatment device by electrically connecting the counter-electrode to components already present in the ventilation system (such as the evaporator, heat exchanger, or filter housing). This integration eliminates the need for a separate ionizer assembly, thereby reducing installation space and simplifying installation while maintaining the ionization function.
Solution Approach 2:
The patent makes existing components of the air treatment device serve dual functions: their original function (heat exchange, filtration) and as counter-electrode for ionization. For example, the evaporator or heat exchanger is electrically connected to serve as the counter-electrode, allowing these components to perform both thermal processing and electrical ionization functions simultaneously.
2Reliability
If additional electrode components are integrated into the ionizer, then ionization efficiency is improved, but pressure loss increases
Solution Approach 1:
The patent combines the ionization function with the existing air treatment device structure, using components like the evaporator, heat exchanger, or filter housing as the counter-electrode. This eliminates the need for additional electrode components that would increase flow resistance, while still achieving effective ionization through the electromagnetic field generated between the ionizer electrode and the integrated counter-electrode.
3Reliability
If separate ionizer assembly is used, then ionization function is achieved, but costs increase
Solution Approach 1:
The patent integrates the ionizer with existing air treatment device components, eliminating the need for a separate ionizer assembly. By using components already present in the system (evaporator, heat exchanger, filter housing) as counter-electrodes, the patent reduces material costs, manufacturing complexity, and overall system cost while maintaining full ionization functionality.
Solution Approach 2:
The patent enables existing components to serve multiple functions, thereby eliminating the need for dedicated ionizer components. The evaporator, heat exchanger, or filter housing performs both its original function and serves as counter-electrode for ionization, reducing the total component count and associated costs.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This integration reduces installation space and costs, minimizes pressure loss, and improves air-purification efficiency by creating an electromagnetic field that enhances dust cluster formation and separation, while also utilizing ozone for odor neutralization and antibacterial effects.
Implementation Method 1
ionizers can be employed with which the air to be cleaned is partially ionized. Such ionizers usually work with high voltage, mostly of several thousand volts and an electric discharge on electrodes
Implementation Method 2
ionizers can be employed with which the air to be cleaned is partially ionized
Implementation Method 3
the charged ions settle on dust particles in the air and by their electrostatic interaction promote the formation of clusters
Implementation Method 4
the radicals created in the process can promote chemical degradation processes, which can be utilised for neutralisation of odour and disinfection
Data Source
AI summary
A ventilation device may include a first air treatment device and an ionizer. The ionizer may include an electrode. A counter-electrode of the ionizer may be electrically conductively connected to the first air treatment device.